The new 4-year policy for F-1 students that the Donald Trump administration finalized on Thursday led to major confusion among academics as experts questioned how PhD students are supposed to complete their course in four years. International students from now on will have a four-year visa validity.

The administration of United States President Donald Trump has finalised a new immigration rule limiting most foreign students and exchange visitors to a maximum stay of four…

International students previously could stay as long as their program lasted. The Trump administration is ending that 1978 policy.